class_docstr: A wrapper around a Strategy Protocol Buffer.
docstr: Serialize this strategy and write it to disk.
docstr_tok: ["Serialize","this","strategy","and","write","it","to","disk","."]
code: def serialize(self, path=None):
      """Serialize this strategy and write it to disk."""
      if path is None:
          os.makedirs(DEFAULT_SERIALIZATION_DIR, exist_ok=True)
          path = os.path.join(
              DEFAULT_SERIALIZATION_DIR, self._strategy.id
          )
  
      self._strategy.path = path
  
      with open(path, "wb+") as f:
          f.write(self._strategy.SerializeToString())
  
imports: import os
  from abc import ABC, abstractmethod
  from datetime import datetime
  from autodist.const import DEFAULT_SERIALIZATION_DIR
  from autodist.graph_item import GraphItem
  from autodist.kernel.common.utils import get_op_name
  from autodist.proto import strategy_pb2
  from autodist.resource_spec import ResourceSpec
label_desc: Use image node_id 10 for calling the Strategy obj's underlying member method code with example usage: obj.serialize(path) without return types